Server Status Block Error 2

Error info:
ErrorException: unserialize() [<a href='function.unserialize'>function.unserialize</a>]: Error at offset 0 of 4 bytes - library/EWRporta/Block/ServerStatus.php:13

Stack trace:
#0 /home/fuzzola1/public_html/library/EWRporta/Block/ServerStatus.php(13): XenForo_Application::handlePhpError('Null')
#1 /home/fuzzola1/public_html/library/EWRporta/Model/Blocks.php(135): EWRporta_Block_ServerStatus->getBypass(Array)
#2 /home/fuzzola1/public_html/library/EWRporta/ViewPublic/Custom.php(71): EWRporta_Model_Blocks->getBlockParams(Array, 1)
#3 /home/fuzzola1/public_html/library/XenForo/ViewRenderer/Abstract.php(215): EWRporta_ViewPublic_Custom->renderHtml()
#4 /home/fuzzola1/public_html/library/XenForo/ViewRenderer/HtmlPublic.php(67): XenForo_ViewRenderer_Abstract->renderViewObject('EWRporta_ViewPu...', 'Html', Array, 'EWRporta_Portal')
#5 /home/fuzzola1/public_html/library/XenForo/FrontController.php(533): XenForo_ViewRenderer_HtmlPublic->renderView('EWRporta_ViewPu...', Array, 'EWRporta_Portal', NULL)
#6 /home/fuzzola1/public_html/library/XenForo/FrontController.php(156): XenForo_FrontController->renderView(Object(XenForo_ControllerResponse_View), Object(XenForo_ViewRenderer_HtmlPublic), Array)
#7 /home/fuzzola1/public_html/index.php(13): XenForo_FrontController->run()
#8 {main}